very worn, ragged primaries and rectrices, very pale iris

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Picture ID: 720
Upload: 23.12.2010
Photo date: 21 June 2009
Location: dambovita canal, bucharest
Photographer © cristian mihai
Gallery: cachinnans adult alternate (january-june)
Species: larus cachinnans

compilation of a bird in full moult. moult requires quite some energy, flying gets harder with such worn old primaries and this may account for a very pale iris - just a hypothesis. actually a bird with started primary moult should be labelled "adult basic" since the next cycle has begun:
new p1 and p2 fully grown, p3 about 4/5 of its full length, p4 missing, p5-10 old.

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